Product Information
- Round shank chamfer design, clear steel stamp marking size, easy to distinguish drill diameter when using.
- Accurate grinding technology, good wear resistance, strong and durable, has a long service life.
- Reasonable 38°large vortex angle design, enlarged chip flute, glossy and flat high temperature non‑stick knife.
- Forged with M35 cobalt‑containing steel, head quenched and heat treated, high hardness and good wear resistance.
- With 130° drill point and double relief angle design, the cutter head can cut sharper.
